Literature DB >> 11941475

In situ localisation of cytokinins in the shoot apical meristem of Sinapis alba at floral transition.

Annie Jacqmard1, Nathalie Detry, Walter Dewitte, Harry Van Onckelen, Georges Bernier.   

Abstract

In plants of Sinapis alba L. induced to flower by one long day (LD), previous work showed that the phloem sap feeding the shoot apex is enriched in cytokinins of the isopentenyladenine (iP)-type between 9 and 25 h after start of the LD [P. Lejeune et al. (1994) Physiol Plant 90:522-528]. We have checked the hypothesis that the cytokinin content of the shoot apical meristem (SAM) should increase in response to floral induction by one LD using histoimmunolocalisation techniques and rabbit antiserum against isopentenyladenosine or zeatin riboside. The free bases iP and zeatin are present only in apical tissues containing dividing cells. At 30 h after the start of an inductive LD, a markedly increased iP immune reaction is observed in SAM tissues while the level of zeatin is not modified. Our results are in line with the data obtained by analysis of phloem sap.

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Year:  2002        PMID： 11941475     DOI： 10.1007/s00425-002-0742-4

Source DB:  PubMed          Journal:  Planta        ISSN： 0032-0935            Impact factor:   4.116


  9 in total

Review 1.  Biosynthesis of cytokinins.

Authors:  Tatsuo Kakimoto
Journal:  J Plant Res       Date:  2003-04-29       Impact factor: 2.629

2.  The PLASTID DIVISION1 and 2 components of the chloroplast division machinery determine the rate of chloroplast division in land plant cell differentiation.

Authors:  Kumiko Okazaki; Yukihiro Kabeya; Kenji Suzuki; Toshiyuki Mori; Takanari Ichikawa; Minami Matsui; Hiromitsu Nakanishi; Shin-Ya Miyagishima
Journal:  Plant Cell       Date:  2009-06-30       Impact factor: 11.277

Review 3.  Plant and animal stem cells: similar yet different.

Authors:  Renze Heidstra; Sabrina Sabatini
Journal:  Nat Rev Mol Cell Biol       Date:  2014-05       Impact factor: 94.444

4.  Cytokinin signaling as a positional cue for patterning the apical-basal axis of the growing Arabidopsis shoot meristem.

Authors:  Vijay S Chickarmane; Sean P Gordon; Paul T Tarr; Marcus G Heisler; Elliot M Meyerowitz
Journal:  Proc Natl Acad Sci U S A       Date:  2012-02-15       Impact factor: 11.205

5.  Cytokinin application to the shoot apical meristem of Sinapis alba enhances secondary plasmodesmata formation.

Authors:  Sandra Ormenese; Georges Bernier; Claire Périlleux
Journal:  Planta       Date:  2006-06-15       Impact factor: 4.116

6.  The DORNROSCHEN/ENHANCER OF SHOOT REGENERATION1 gene of Arabidopsis acts in the control of meristem ccll fate and lateral organ development.

Authors:  Thomas Kirch; Rüdiger Simon; Margit Grünewald; Wolfgang Werr
Journal:  Plant Cell       Date:  2003-03       Impact factor: 11.277

7.  Azospirillum brasilense Sp245 triggers cytokinin signaling in root tips and improves biomass accumulation in Arabidopsis through canonical cytokinin receptors.

Authors:  Manuel Méndez-Gómez; Elda Castro-Mercado; José López-Bucio; Ernesto García-Pineda
Journal:  Physiol Mol Biol Plants       Date:  2021-07-20

8.  Enhancement of flowering and branching phenotype in chrysanthemum by expression of ipt under the control of a 0.821 kb fragment of the LEACO1 gene promoter.

Authors:  Mariya Khodakovskaya; Radomira Vanková; Jiri Malbeck; Aizhen Li; Yi Li; Richard McAvoy
Journal:  Plant Cell Rep       Date:  2009-06-17       Impact factor: 4.570

9.  Centering the Organizing Center in the Arabidopsis thaliana Shoot Apical Meristem by a Combination of Cytokinin Signaling and Self-Organization.

Authors:  Milad Adibi; Saiko Yoshida; Dolf Weijers; Christian Fleck
Journal:  PLoS One       Date:  2016-02-12       Impact factor: 3.240
  9 in total

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